Using the theory of elliptic integrals and the mathematic trick,we obtain the potential at the central point generated by an elliptic ring uniformly charged and we make the discussion about it.

• 运用椭圆分的理论和数学技巧,给出线电荷椭圆环中心的势,进行有关的讨论,并指出了线电荷椭圆环中心势具有的重要特性。